I'm Arsen Gnatkivskyi, a Senior Unity Developer and Technical Lead based in Poland with 14 years of experience building complex game systems, including large-scale multiplayer projects. I excel in client-side and server-side development, gameplay architecture, performance optimization, internal tooling, code quality, and leading engineering teams. I enjoy shaping robust architectures and delivering high-quality game experiences while mentoring others. Throughout my career I have led teams on MMORPG and trailer projects, shipped Unity-based games, built internal tooling, and driven development efficiency. I’m passionate about designing maintainable systems, optimizing performance, and enabling designers and artists to iterate quickly within solid engineering practices.…

Arsen Gnatkivskyi

I'm Arsen Gnatkivskyi, a Senior Unity Developer and Technical Lead based in Poland with 14 years of experience building complex game systems, including large-scale multiplayer projects. I excel in client-side and server-side development, gameplay architecture, performance optimization, internal tooling, code quality, and leading engineering teams. I enjoy shaping robust architectures and delivering high-quality game experiences while mentoring others. Throughout my career I have led teams on MMORPG and trailer projects, shipped Unity-based games, built internal tooling, and driven development efficiency. I’m passionate about designing maintainable systems, optimizing performance, and enabling designers and artists to iterate quickly within solid engineering practices.…

Available to hire

I’m Arsen Gnatkivskyi, a Senior Unity Developer and Technical Lead based in Poland with 14 years of experience building complex game systems, including large-scale multiplayer projects. I excel in client-side and server-side development, gameplay architecture, performance optimization, internal tooling, code quality, and leading engineering teams. I enjoy shaping robust architectures and delivering high-quality game experiences while mentoring others.

Throughout my career I have led teams on MMORPG and trailer projects, shipped Unity-based games, built internal tooling, and driven development efficiency. I’m passionate about designing maintainable systems, optimizing performance, and enabling designers and artists to iterate quickly within solid engineering practices.

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Skills

Experience Level

C#
Expert
Unity
Expert
Unity 3D
Expert
ASP.NET
Intermediate

Language

English
Advanced
Ukrainian
Fluent
Polish
Advanced
Russian
Fluent
Spanish; Castilian
Beginner

Work Experience

Lead Unity Developer at Bishop Interactive
February 1, 2025 - Present
Bishop Interactive is an international startup developing a turn-based strategy game called Brutal Knights. Key Responsibilities - Led the project’s development while actively contributing as a hands-on developer. - Designed and maintained the project architecture. - Established development workflows and engineering practices for the team. - Created and improved internal tools for debugging, optimization, and code quality standards. - Conducted code reviews and ensured code quality across the project. - Assigned tasks to developers and monitored their progress and delivery Key Achievements - Refactored a fully client-side game by extracting the core game logic and moving it to the backend. - Carried out the migration gradually, ensuring the game remained fully functional at every stage. - Designed a flexible architecture that allowed the team to quickly adjust gameplay and implement game design changes. - Introduced development practices that made the project easier and more efficient for other developers to work on.
Lead Unity Developer at Hologryph
November 3, 2022 - February 1, 2025
- Developed client and server features using Unity, C#, ECS / Entitas, UniTask, Jobs, Burst, and multithreading. - Designed and implemented internal utilities and development tools. - Fixed complex bugs and optimized performance-critical systems. - Conducted code reviews and technical interviews.
Lead Unity Developer at Artificial Core
August 15, 2016 - November 2, 2022
- Worked on client-side and server-side systems for a large-scale MMORPG built with Unity and C#. - Designed gameplay architecture and internal tools that improved the development workflow for the programming team. - Optimized performance-critical gameplay and client-side systems. - Built tools that improved development efficiency and supported day-to-day production workflows. - Led a team of programmers and coordinated their development tasks. - Conducted code reviews and technical interviews.
Lead Unity Developer at iLogos Europe
February 3, 2015 - June 16, 2016
- Developed Unity games using C#. - Designed game architecture and core gameplay systems. - Built internal tools to improve the development process. - Led a team of programmers and technical artists. - Conducted code reviews and maintained code quality. - Created technical documentation for game projects.
Senior Unity Developer at iLogos Europe
February 1, 2015 - May 1, 2015
Developed Unity games using C#. Contributed to application architecture design.
Senior Unity Developer at Nika Entertainment
August 1, 2014 - February 1, 2015
Developed a Unity game using C#. Supervised junior developers and reviewed their code.
Client-side Programmer / Team Lead at GDTeam / Hamster Warrior Studio
January 1, 2008 - January 1, 2014
Developed Flash and early Unity games, managed small development teams, created gameplay systems, tools, prototypes, and game art.

Education

Software Engineering at Ternopil State 'Ivan Pul'uj' Technical University
September 1, 2006 - July 30, 2011
Master's degree at Ternopil State 'Ivan Pul'uj' Technical University
January 11, 2030 - June 10, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Gaming, Software & Internet, Media & Entertainment
    SAND: Raiders of Sophie

    https://www.twine.net/signin
    SAND is a first-person PvPvE extraction shooter set in a post-apocalyptic alternate-history world. The game features multiplayer combat, exploration, looting, resource extraction, and highly customizable giant walking bases called Tramplers.

    Corepunk

    https://www.twine.net/signin
    Corepunk is an isometric open-world MMORPG that blends elements of traditional MMORPGs, MOBAs, and ARPGs. The game features a seamless online world, fog-of-war exploration, PvE and PvP activities, character progression, professions, crafting, and MOBA-style combat mechanics.

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